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What is the Least Common Multiple of 25790 and 25800?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 25790 and 25800 is 66538200.

LCM(25790,25800) = 66538200

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Least Common Multiple of 25790 and 25800 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25790 and 25800, than apply into the LCM equation.

GCF(25790,25800) = 10
LCM(25790,25800) = ( 25790 × 25800) / 10
LCM(25790,25800) = 665382000 / 10
LCM(25790,25800) = 66538200

Least Common Multiple (LCM) of 25790 and 25800 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25790 and 25800. First we will calculate the prime factors of 25790 and 25800.

Prime Factorization of 25790

Prime factors of 25790 are 2, 5, 2579. Prime factorization of 25790 in exponential form is:

25790 = 21 × 51 × 25791

Prime Factorization of 25800

Prime factors of 25800 are 2, 3, 5, 43. Prime factorization of 25800 in exponential form is:

25800 = 23 × 31 × 52 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 25790 and 25800.

LCM(25790,25800) = 23 × 52 × 25791 × 31 × 431
LCM(25790,25800) = 66538200